Shiva Purana
द्विमासाभ्यन्तरेणैव क्रमशस्संभवेदिह॥ त्रिभिर्मासैः प्रजायंते सर्वे ह्यंकुरसंधयः॥ १९॥
It will gradually be possible here within two months All the sprouts are born in three months.
english translation
dvimAsAbhyantareNaiva kramazassaMbhavediha॥ tribhirmAsaiH prajAyaMte sarve hyaMkurasaMdhayaH॥ 19॥
hk transliteration by Sanscript